It cover all the electronic systems of the vehicle, including Engine, AT, ABS, SRS, Chassis, air conditioning and other electronic systems, is doing very good for the basic functions including read and clear codes, data stream, data compare, active test, quick test, for the special functions including adaptation,  Sensor calibration, Learn sensor values, Reset vehicle speed limit, Reset Odometer, Throttle Adjustment, Steering angle sensor adjustment, memory reset, idle speed adjust, key programming, coding... and many more over 90% closed to the original devices functions.